X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftime-signature.cc;h=d560b8d226ccd426fde05f2b1ad9889d9c6a94ee;hb=20d2040d6608a0d5e575b517e69237c1e3d2adf8;hp=24f0fa73f0d8cd51a49da566cacad039146bbcd8;hpb=1ac137fdab1f1be8a5621599664008107b5a9a6a;p=lilypond.git diff --git a/lily/time-signature.cc b/lily/time-signature.cc index 24f0fa73f0..d560b8d226 100644 --- a/lily/time-signature.cc +++ b/lily/time-signature.cc @@ -1,98 +1,148 @@ -/* - time-signature.cc -- implement Time_signature - +/* + time-signature.cc -- implement Time_signature + source file of the GNU LilyPond music typesetter - - (c) 1996--2000 Han-Wen Nienhuys - - */ + (c) 1996--2005 Han-Wen Nienhuys +*/ -#include "molecule.hh" #include "time-signature.hh" -#include "paper-def.hh" -#include "lookup.hh" -Time_signature::Time_signature () -{ - set_elt_property ("breakable", SCM_BOOL_T); -} +#include "text-item.hh" +#include "output-def.hh" +#include "font-interface.hh" +#include "warn.hh" +#include "staff-symbol-referencer.hh" -// ugh.! -Molecule* -Time_signature::do_brew_molecule_p () const -{ - SCM st = get_elt_property ("style"); +/* + TODO: + + this file should go ; The formatting can completely be done with + markups. +*/ - SCM frac = get_elt_property ("fraction"); +MAKE_SCHEME_CALLBACK (Time_signature, print, 1); +SCM +Time_signature::print (SCM smob) +{ + Grob *me = unsmob_grob (smob); + SCM st = me->get_property ("style"); + SCM frac = me->get_property ("fraction"); int n = 4; int d = 4; - if (gh_pair_p (frac)) + if (scm_is_pair (frac)) { - n = gh_scm2int (gh_car (frac)); - d = gh_scm2int (gh_cdr (frac)); + n = scm_to_int (scm_car (frac)); + d = scm_to_int (scm_cdr (frac)); } - - if (gh_string_p (st)) + Stencil m; + if (st == ly_symbol2scm ("single-digit")) + m = numbered_time_signature (me, n, 0); + else if (scm_is_symbol (st)) + m = special_time_signature (me, st, n, d); + else + m = numbered_time_signature (me, n, d); + + if (Staff_symbol_referencer::line_count (me) % 2 == 0) + m.translate_axis (Staff_symbol_referencer::staff_space (me) / 2, Y_AXIS); + + return m.smobbed_copy (); +} + +Stencil +Time_signature::special_time_signature (Grob *me, SCM scm_style, int n, int d) +{ + String style = ly_scm2string (scm_symbol_to_string (scm_style)); + + if (style == "numbered") + return numbered_time_signature (me, n, d); + + if ((style == "default") || (style == "")) + style = to_string ("C"); + + if (style == "C") { - String style (ly_scm2string (st)); - if (style[0]=='1') + if /* neither C2/2 nor C4/4 */ + (((n != 2) || (d != 2)) + && ((n != 4) || (d != 4))) { - return new Molecule (time_signature (n, 0)); - } - else - { - return new Molecule (special_time_signature (style, n, d)); + return numbered_time_signature (me, n, d); } } - else - return new Molecule (time_signature (n,d)); + + String char_name = style + to_string (n) + to_string (d); + me->set_property ("font-encoding", ly_symbol2scm ("fetaMusic")); + Stencil out = Font_interface::get_default_font (me) + ->find_by_name ("timesig." + char_name); + if (!out.is_empty ()) + return out; + + /* If there is no such symbol, we default to the numbered style. + (Here really with a warning!) */ + me->warning (_f ("time signature symbol `%s' not found; " + "reverting to numbered style", char_name)); + return numbered_time_signature (me, n, d); } -Molecule -Time_signature::special_time_signature (String s, int n, int d) const +Stencil +Time_signature::numbered_time_signature (Grob *me, int num, int den) { - // First guess: s contains only the signature style - String symbolname = "timesig-" + s + to_str (n) + "/" + to_str (d); - - Molecule m = lookup_l ()->afm_find (symbolname, false); - if (!m.empty_b()) - return m; - - // Second guess: s contains the full signature name - m = lookup_l ()->afm_find ("timesig-"+s, false); - if (!m.empty_b ()) - return m; - - // Resort to default layout with numbers - return time_signature (n,d); -} + SCM chain = me->get_property_alist_chain (Font_interface::text_font_alist_chain (me)); + chain = scm_cons (scm_list_1 (scm_cons (ly_symbol2scm ("font-encoding"), + ly_symbol2scm ("fetaNumber"))), + chain); + SCM sn = Text_interface::interpret_markup (me->get_layout ()->self_scm (), chain, + scm_makfrom0str (to_string (num).to_str0 ())); + SCM sd = Text_interface::interpret_markup (me->get_layout ()->self_scm (), chain, + scm_makfrom0str (to_string (den).to_str0 ())); -Molecule -Time_signature::time_signature (int num, int den) const -{ - String sty = "number"; + Stencil n = *unsmob_stencil (sn); + Stencil d = *unsmob_stencil (sd); - /* - UGH: need to look at fontsize. - */ - Molecule n (lookup_l ()->text (sty, to_str (num), paper_l ())); - Molecule d (lookup_l ()->text (sty, to_str (den), paper_l ())); n.align_to (X_AXIS, CENTER); d.align_to (X_AXIS, CENTER); - Molecule m; + Stencil m; if (den) { - m.add_at_edge (Y_AXIS, UP, n, 0.0); - m.add_at_edge (Y_AXIS, DOWN, d, 0.0); + m.add_at_edge (Y_AXIS, UP, n, 0.0, 0); + m.add_at_edge (Y_AXIS, DOWN, d, 0.0, 0); } else { m = n; m.align_to (Y_AXIS, CENTER); } + + m.align_to (X_AXIS, LEFT); + return m; } +ADD_INTERFACE (Time_signature, "time-signature-interface", + "A time signature, in different styles.\n" + " The following values for 'style are are recognized:\n" + "\n" + " @table @samp\n" + " @item @code{C}\n" + " 4/4 and 2/2 are typeset as C and struck C, respectively. All\n" + " other time signatures are written with two digits.\n" + "\n" + " @item @code{neomensural}\n" + " 2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are\n" + " typeset with neo-mensural style mensuration marks. All other time\n" + " signatures are written with two digits.\n" + "\n" + " @item @code{mensural}\n" + " 2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are\n" + " typeset with mensural style mensuration marks. All other time\n" + " signatures are written with two digits.\n" + "\n" + " @item @code{single-digit}\n" + " All time signatures are typeset with a single\n" + " digit, e.g. 3/2 is written as 3.\n" + " @end table\n" + "\n" + "See also the test-file @file{input/test/time.ly}.\n", + "fraction style");